GB1439395A - Speed monitoring arrangement - Google Patents

Speed monitoring arrangement

Info

Publication number
GB1439395A
GB1439395A GB5133573A GB5133573A GB1439395A GB 1439395 A GB1439395 A GB 1439395A GB 5133573 A GB5133573 A GB 5133573A GB 5133573 A GB5133573 A GB 5133573A GB 1439395 A GB1439395 A GB 1439395A
Authority
GB
United Kingdom
Prior art keywords
valves
valve
control
oil
return
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5133573A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1439395A publication Critical patent/GB1439395A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F01D17/06—Arrangement of sensing elements responsive to speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/02—Shutting-down responsive to overspeed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Control Of Velocity Or Acceleration (AREA)
GB5133573A 1972-11-06 1973-11-05 Speed monitoring arrangement Expired GB1439395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2254250A DE2254250C3 (de) 1972-11-06 1972-11-06 Drehzahlbegrenzungseinrichtung fur eine Turbine

Publications (1)

Publication Number Publication Date
GB1439395A true GB1439395A (en) 1976-06-16

Family

ID=5860947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5133573A Expired GB1439395A (en) 1972-11-06 1973-11-05 Speed monitoring arrangement

Country Status (14)

Country Link
US (1) US3859007A (de)
JP (1) JPS549242B2 (de)
AR (1) AR202464A1 (de)
AT (1) AT365300B (de)
BE (1) BE806809A (de)
BR (1) BR7308610D0 (de)
CA (1) CA1008156A (de)
CH (1) CH564148A5 (de)
DE (1) DE2254250C3 (de)
FR (1) FR2205929A5 (de)
GB (1) GB1439395A (de)
IT (1) IT999102B (de)
SE (1) SE389372B (de)
ZA (1) ZA738458B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986788A (en) * 1974-11-25 1976-10-19 General Electric Company Prime mover speed control system
US4019390A (en) * 1976-04-22 1977-04-26 Westinghouse Electric Corporation System and method for complete on line testing of a mechanical overspeed trip channel associated with an electrohydraulic emergency trip system for a turbine power plant
US4071897A (en) * 1976-08-10 1978-01-31 Westinghouse Electric Corporation Power plant speed channel selection system
US4099237A (en) * 1977-02-23 1978-07-04 Westinghouse Electric Corp. Programmable turbine speed controller
US4133615A (en) * 1977-04-14 1979-01-09 Westinghouse Electric Corporation Microprocessor-based, programmed turbine speed control system
DE2942891A1 (de) * 1979-10-24 1981-05-07 Bernhard Dipl.-Phys. 1000 Berlin Schallopp Verfahren zur automatischen ueberwachung eines drehzahl-grenzwertes
CH666132A5 (de) * 1984-07-20 1988-06-30 Bbc Brown Boveri & Cie Einrichtung zur ueberwachung von physikalischen groessen an anlagen.
US4707646A (en) * 1986-05-29 1987-11-17 Carrier Corporation Method of limiting motor power output
DE4005546A1 (de) * 1990-02-22 1991-08-29 Gutehoffnungshuette Man Verfahren zur redundanten drehzahlregelung und vorrichtung zur durchfuehrung dieses verfahrens
US5440938A (en) * 1993-02-01 1995-08-15 Liberty Technologies, Inc. System for determining shaft load parameters including shaft windup angle per unit length, torque output and power output in a generally cylindrical rotating shaft
US5295783A (en) * 1993-04-19 1994-03-22 Conmec, Inc. System and method for regulating the speed of a steam turbine by controlling the turbine valve rack actuator
US5621654A (en) * 1994-04-15 1997-04-15 Long Island Lighting Company System and method for economic dispatching of electrical power
US6915639B1 (en) * 2000-10-13 2005-07-12 General Electric Company Method and apparatus for gas turbine over-speed protection
GB2427935A (en) * 2005-07-01 2007-01-10 Ics Triplex Technology Ltd Turbo machinery speed monitor testing arrangement
GB2427940A (en) * 2005-07-01 2007-01-10 Ics Triplex Technology Ltd Turbo machinery speed monitor
GB2427972A (en) * 2005-07-01 2007-01-10 Ics Triplex Technology Ltd Turbine speed monitor and overspeed trip
DE102008024253A1 (de) 2008-05-20 2009-11-26 Man Turbo Ag Steuereinrichtung und -verfahren für ein Schnellschlussventil einer Dampfturbine
DE102011083721B4 (de) * 2011-09-29 2020-06-18 Ellenberger & Poensgen Gmbh Turbinenüberdrehzahlschutzvorrichtung zum sicheren Abschalten von Magnetventilen einer Turbine
US8796980B2 (en) * 2012-10-19 2014-08-05 General Electric Company Fault detection system and method for overspeed protection speed sensors
CN107037230B (zh) * 2017-04-17 2019-06-18 广西防城港核电有限公司 一种核电站主泵转速主备探测信号处理方法及装置、机架
DE102018101457A1 (de) 2018-01-23 2019-07-25 Eppendorf Ag Verfahren und Vorrichtung zur Überwachung der Drehzahl eines Elements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1288015A (de) * 1970-06-04 1972-09-06
US3798907A (en) * 1972-03-13 1974-03-26 Woodward Governor Co Digital governor

Also Published As

Publication number Publication date
CA1008156A (en) 1977-04-05
US3859007A (en) 1975-01-07
FR2205929A5 (de) 1974-05-31
CH564148A5 (de) 1975-07-15
JPS4980404A (de) 1974-08-02
ATA928973A (de) 1981-05-15
IT999102B (it) 1976-02-20
JPS549242B2 (de) 1979-04-23
BR7308610D0 (pt) 1974-08-15
AT365300B (de) 1981-12-28
DE2254250C3 (de) 1980-06-19
BE806809A (fr) 1974-02-15
DE2254250A1 (de) 1974-05-16
AR202464A1 (es) 1975-06-13
DE2254250B2 (de) 1979-09-20
ZA738458B (en) 1974-11-27
SE389372B (sv) 1976-11-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee